20149861 (number)

20149861 is an odd 8-digits composite number following 20149860 and preceding 20149862. In scientific notation, it is written as 2.0149861 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19089324 positive integers (up to 20149861) that are relatively prime to 20149861.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand eight hundred sixty-one

Notation

Scientific notation 2.0149861 × 10^7
Engineering notation 2.0149861 × 10^6

Prime Factorization of 20149861

Prime Factorization 19 × 1060519

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149861
Product of the distinct prime numbers

The prime factorization of 20149861 is 19 × 1060519. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149861)

Multiplication

n×y
n×2 40299722
n×3 60449583
n×4 80599444
n×5 100749305

Division

n÷y
n÷2 10074930.5
n÷3 6716620.3333333
n÷3 5037465.25
n÷5 4029972.2

Exponentiation

ny
n2 406016898319321
n3 8.1811840647855E+21
n4 1.6484972172084E+29
n5 3.3216989785636E+36

Nth Root

y√n
2√n 4488.8596547453
3√n 272.11805086943
4√n 66.998952639167
5√n 28.897109985435

Divisors of 20149861

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149861 can be divided by 4 positive divisors. The sum of these divisors (counting 20149861) is 1, the average is 0.25.

Base conversion 20149861

Base System Value
2 Binary 1001100110111011001100101
3 Ternary 1101220201102011
4 Quaternary 1030313121211
5 Quinary 20124243421
6 Senary 1555514221
8 Octal 114673145
10 Decimal 20149861
12 Duodecimal 68b8971
16 Hexadecimal 1337665
20 Vigesimal 65ied1
36 Base36 bzvqd

Cryptographic Hash Functions

md5 de18247d396679e37e9b5fa829a6317f
sha1 5d662b60128922ff9300ead8d7096c740cec4e60
sha256 9c43f2b2da888f1df9e4c36b73812fe7803b167720588aa1aee6975ecca26e44
sha512 e53ad9af9b3f8f048f178d69f806ea3ddc599191eaddd289e156fbeab5c6c644fc5d568196a0c62e707125b15f4146f9ca82c072b5f2637dc28e40cc9b02457c
ripemd-160 e749a2a182ddbb12a14108871e281491c250465c

20149861 as geometric shapes

Circle

Radius = n
Diameter 40299722
Circumference 126605310.57691
Area 1.2755397049933E+15

Sphere

Radius = n
Volume 3.4269263674128E+22
Surface area 5.1021588199732E+15
Circumference 126605310.57691

Square

Length = n
Perimeter 80599444
Area 406016898319321
Diagonal 28496206.706133

Cube

Length = n
Surface area 2436101389915926
Volume 8.1811840647855E+21
Space diagonal 34900583.017451

Equilateral Triangle

Length = n
Perimeter 60449583
Area 1.7581047415515E+14
Altitude 17450291.508725

Triangular Pyramid

Length = n
Surface area 1.7581047415515E+14
Volume 9.6416178839085E+20
Height 9498735.5687109